<script setup>
  defineProps({
    title:{
      required:true,
      type:String
    }
  })
</script>
<template>
  <el-card class="box-card page-container">
    <template #header>
      <div class="header">
        <span>{{title}}</span>
        <div class="extra">
        <slot name="extra"></slot>
      </div>
    </div>
    </template>
    <slot></slot>
  </el-card>
</template>
<style lang="scss" scoped>
.page-container{
  min-height: 100%;
  box-sizing: border-box;
}
.header{
  display: flex;
  justify-content: space-between;
  align-items: center;
}
</style>